Update fsdkaggle2019-script.py

fsdkaggle2019-script.py

@@ -62,22 +62,23 @@ class FSDKaggle2019(datasets.GeneratorBasedBuilder):
         test_archive_path = dl_manager.download_and_extract(_TEST_URL)
         metadata_archive_path = dl_manager.download_and_extract(_METADATA_URL)
 
+        extensions = ['.wav']
+        _, train_walker = fast_scandir(train_archive_path, extensions, recursive=True)
+        _, test_walker = fast_scandir(test_archive_path, extensions, recursive=True)
+
         train_df = pd.read_csv(os.path.join(metadata_archive_path, "FSDKaggle2019.meta", "train_curated_post_competition.csv"))
         test_df = pd.read_csv(os.path.join(metadata_archive_path, "FSDKaggle2019.meta", "test_post_competition.csv"))
         
         return [
             datasets.SplitGenerator(
-                name=datasets.Split.TRAIN, gen_kwargs={"archive_path": train_archive_path, "split": "train", "metadata": train_df}
+                name=datasets.Split.TRAIN, gen_kwargs={"audio_paths": train_walker, "split": "train", "metadata": train_df}
             ), 
             datasets.SplitGenerator(
-                name=datasets.Split.TEST, gen_kwargs={"archive_path": test_archive_path, "split": "test", "metadata": test_df}
+                name=datasets.Split.TEST, gen_kwargs={"audio_paths": test_walker, "split": "test", "metadata": test_df}
             ), 
         ]
 
-    def _generate_examples(self, archive_path, split=None, metadata=None):
-        extensions = ['.wav']
-        _, _walker = fast_scandir(archive_path, extensions, recursive=True)
-
+    def _generate_examples(self, audio_paths, split=None, metadata=None):
         metadata_df = deepcopy(metadata)
 
         def default_find_classes(audio_path):
@@ -87,7 +88,7 @@ class FSDKaggle2019(datasets.GeneratorBasedBuilder):
             # assert False, f"{ids}"
             return ids
 
-        for guid, audio_path in enumerate(_walker):
+        for guid, audio_path in enumerate(audio_paths):
             yield guid, {
                 "id": str(guid),
                 "file": audio_path,